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package examples.concurrency.javatutorial;

public class SynchronizedCounter {

	// synchronized methods
	
    protected int c = 0;

    public  void increment() {
        c++;
    }

    public synchronized void decrement() {
        c--;
    }

    public synchronized int value() {
        return c;
    }

    // synchronized statements
    
    private long c1 = 0;
    private long c2 = 0;
    private Object lock1 = new Object();
    private Object lock2 = new Object();

    public void inc1() {
        synchronized (lock1) {
            c1++;
        }
    }

    public void inc2() {
        synchronized (lock2) {
            c2++;
        }
    }
}